From 4051d2390fc0827bb0c3cb14209a32341ddb7a81 Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Fri, 30 Aug 2019 12:20:02 +0100
Subject: [PATCH] Fix a crash for ipv4 only.

---
 src/ipv6.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ipv6.c b/src/ipv6.c
index 9ee0039a..c296679b 100644
--- a/src/ipv6.c
+++ b/src/ipv6.c
@@ -2295,6 +2295,9 @@ inet6_raroutes(rb_tree_t *routes, struct dhcpcd_ctx *ctx)
 	struct ra *rap;
 	const struct ipv6_addr *addr;
 
+	if (ctx->ra_routers == NULL)
+		return 0;
+
 	TAILQ_FOREACH(rap, ctx->ra_routers, next) {
 		if (rap->expired)
 			continue;
-- 
2.47.2